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elena55 [62]
2 years ago
12

The vertical line graph shows how often each number on a standard dice comes up. What percentage of rolls were a 6?

Mathematics
1 answer:
Novay_Z [31]2 years ago
6 0

Answer:

21%

Step-by-step explanation:

Out of the 25 + 9 + 12 + 21 + 12 + 21 = 100 total rolls, 6 came up 21 times so the percentage is 21/100 = 21%.

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Three solid shapes A,B and C The surface area of shape A is 9cm² The surface area of shape B is 16cm² The ratio of the volume of
dmitriy555 [2]

Answer:

9:20

Step-by-step explanation:

Given:

Surface area of shape A = 9 cm²

Surface Area of shape B = 16 cm²

Ratio of volume of shape A to B = 27:125

Required:

Find the ratio of the height of shape A to the height of shape C.

Ratio of surface area (A:B)² = ratio of linear measures (A:B)

Thus,

(A:B)² = (A:B)

(A/B)² = (A/B)

(\frac{A}{B})^2= (\frac{9}{16})

Take the square root of both sides:

(\sqrt{\frac{A}{B}})^2 = (\sqrt{\frac{9}{16}})

\frac{A}{B} = \frac{3}{4}

Ratio of volume of shape B to C = 27:125

Thus,

(B:C)³ = 27:125

(\frac{B}{C})^3= (\frac{27}{125})

Take the cube root of both sides:

(3\sqrt{\frac{B}{C}})^3 = (3\sqrt{\frac{27}{125}})

\frac{B}{C} = \frac{3}{5}

Therefore, ratio of lengths A:B:C =

3:4:C

A:3:5

To make them equivalent, we have:

9:12:C

A:4:20

Therefore, the ratio of the height of shape A to the height of shape C =

9:20

6 0
3 years ago
What is the slope of (-9,2), (2, -20)
Sophie [7]

Answer:

-13/22

Step-by-step explanation:

2-(-11)=13

-20-2=-22

Can’t be reduced

Y2-y1/x2-x1 is point slope formula

6 0
3 years ago
Is 4 3/5 rational or irrational?
Vsevolod [243]

Answer:

It is rational

7 0
2 years ago
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Virty [35]
Alrighty mate.

I reckon the answer as hmmm...I'd say<u><em> D</em></u>. All ya gotta do is just cover up the opposite variable and solve for the intercept yar lookin' for. 

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3 0
3 years ago
Х2 + 2x, 3х + 5, x2 + 1, 6x - 4
professor190 [17]

Answess

Step-by-step explanation:

6 0
2 years ago
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